﻿int findCenter(int** edges, int edgesSize, int* edgesColSize) {
	//依次判断等式是否成⽴

		if (edges[0][0] == edges[1][0]) return edges[0][0];
	if (edges[0][0] == edges[1][1]) return edges[0][0];
	if (edges[0][1] == edges[1][0]) return edges[0][1];
	if (edges[0][1] == edges[1][1]) return edges[0][1];
	//防⽌编译错误

		return 0;
}